How to fix the Oracle error TNS-12615: TNS:preempt error?

In this post, you’ll learn more about the Oracle ErrorTNS-12615: TNS:preempt error with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12615: TNS:preempt error

Reason for the Error TNS-12615: TNS:preempt error

Cause: A request to service an event failed because no event notification has yet been posted.

How to fix the Error TNS-12615: TNS:preempt error ?

You can fix this error in Oracle by following the below steps

Action: Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.